diff options
Diffstat (limited to 'getgroups.c')
-rw-r--r-- | getgroups.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/getgroups.c b/getgroups.c new file mode 100644 index 00000000..7d681d16 --- /dev/null +++ b/getgroups.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2002 by Martin Pool + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/** + * @file getgroups.c + * + * Print out the gids of all groups for the current user. This is + * like `id -G` on Linux, but it's too hard to find a portable + * equivalent. + **/ + +#include "rsync.h" + +int main(int argc, char *argv[]) +{ + int n, i; + gid_t list[NGROUPS]; + + if ((n = getgroups(NGROUPS, list)) == -1) { + perror("getgroups"); + return 1; + } + + for (i = 0; i < n; i++) + printf("%u ", list[i]); + printf("\n"); + + return 0; +} |